The back is normal cut.; 80% Polyamide 20% Elastane; Model's measurements: height: 1.76, bust: 82, waist: 61, hip: 89; Sample Size: S/36/1;.; Hand wash in warm soapy water after each use. Do not use bleach or detergent. Do not keep the swimsuit in a wet, airless, closed, plastic bag. Lay it on the reverse and dry it in the shade. Fluorescent colors will fade in the sun, chlorinated water and sun oil will spoil your swimsuit.